TESTO 557 | LEAK TESTING HVAC SYSTEM TIPS

[@thesilentonevictor]

Great work tech

[@hourakhshancooperative7723]

Good job👍

[@D2DNYAC]

Thank you for stopping for stopping by

[@gerrylewis553]

Have you had any problems or leaks with your digital gauge?

[@D2DNYAC]

Nope none

[@andyjones7836]

😏👍

[@D2DNYAC]

Thanks for watching